P
US11217634B2ActiveUtilityPatentIndex 71

Organic light emitting display device and method of manufacturing organic light emitting display device

Assignee: SAMSUNG DISPLAY CO LTDPriority: Dec 28, 2018Filed: Dec 10, 2019Granted: Jan 4, 2022
Est. expiryDec 28, 2038(~12.5 yrs left)· nominal 20-yr term from priority
Inventors:BAEK YOUNG SEOKKIM HEENAPARK SANG JINCHOI TAEHYEOKHAN MIJUNG
H10K 59/00H10K 50/11H01L 2251/56H01L 27/3234H01L 27/3227H01L 51/5253H01L 27/3258H01L 51/56H01L 27/3225H01L 27/3232H01L 51/5256H10K 59/1201H10K 59/8731H10K 59/65H10K 59/124H10K 59/1213H10K 59/60H10K 71/00H10K 50/844H10K 59/50H10K 50/8445H10K 59/123H10K 71/851H10K 71/80
71
PatentIndex Score
3
Cited by
13
References
11
Claims

Abstract

An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. An organic light emitting display device, comprising:
 a substrate including an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region, wherein an opening is defined through the substrate in the opening region; 
 an insulation layer structure in the display region and the peripheral region on the substrate and including a first groove defined in the peripheral region; 
 a light emitting layer on the insulation layer structure and extending in a first direction that is from the display region to the opening region, wherein a first opening is defined through the light emitting layer in the first groove; and 
 an optical module in the opening, 
 wherein the light emitting layer extends along entire side walls of the insulation layer structure which are defined by the first groove such that the first opening is located inside the first groove, and 
 wherein a width of the first groove is greater than a width of the first opening. 
 
     
     
       2. The organic light emitting display device of  claim 1 , wherein the insulation layer structure includes:
 a gate insulation layer disposed on the substrate, wherein an opening is defined through the gate insulation layer in the peripheral region; and 
 an insulating interlayer disposed on the gate insulation layer, wherein an opening is defined through the insulating interlayer in the peripheral region to overlap the opening of the gate insulation layer. 
 
     
     
       3. The organic light emitting display device of  claim 2 , wherein the insulation layer structure further includes:
 a buffer layer interposed between the substrate and the gate insulation layer, 
 wherein the opening of the gate insulation layer and the opening of the insulating interlayer define the first groove of the insulation layer structure. 
 
     
     
       4. The organic light emitting display device of  claim 3 , further comprising:
 a first thin film encapsulation layer disposed on the light emitting layer, wherein the first thin film encapsulation layer is disposed in the first opening and covers the light emitting layer in the peripheral region; and 
 a second thin film encapsulation layer disposed on the first thin film encapsulation layer, wherein the second thin film encapsulation layer covers the first thin film encapsulation layer in the peripheral region, 
 wherein the first thin film encapsulation layer is in direct contact with the buffer layer through the first opening. 
 
     
     
       5. The organic light emitting display device of  claim 1 , further comprising:
 an upper electrode disposed on the light emitting layer. 
 
     
     
       6. The organic light emitting display device of  claim 5 , wherein a second opening is defined through the upper electrode in the peripheral region to overlap the first opening. 
     
     
       7. The organic light emitting display device of  claim 6 , further comprising:
 a capping layer disposed to overlap the upper electrode, 
 wherein a third opening is defined through the capping layer in the peripheral region to overlap the first and second openings. 
 
     
     
       8. The organic light emitting display device of  claim 6 , further comprising:
 a capping layer disposed on the upper electrode, 
 wherein the capping layer covers lateral surfaces of the light emitting layer, by which the first opening is defined, and lateral surfaces of the upper electrode, by which the second opening is defined, 
 a third opening is defined through the capping layer to be inside the first and second openings. 
 
     
     
       9. The organic light emitting display device of  claim 5 , wherein the upper electrode is disposed in the first opening, and covers the light emitting layer in the peripheral region. 
     
     
       10. The organic light emitting display device of  claim 1 , wherein the substrate further includes:
 a second groove surrounding the first groove, 
 wherein the second groove is defined in the peripheral region. 
 
     
     
       11. The organic light emitting display device of  claim 10 , wherein another opening is defined through the light emitting layer in the second groove.

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